openblt/Target/Demo/ARMCM3_LM3S_EK_LM3S6965_IAR/Prog/cstart.s

70 lines
2.7 KiB
ArmAsm

/****************************************************************************************
| Description: Demo program C startup source file
| File Name: cstart.s
|
|----------------------------------------------------------------------------------------
| C O P Y R I G H T
|----------------------------------------------------------------------------------------
| Copyright (c) 2012 by Feaser http://www.feaser.com All rights reserved
|
|----------------------------------------------------------------------------------------
| L I C E N S E
|----------------------------------------------------------------------------------------
| This file is part of OpenBLT. OpenBLT is free software: you can redistribute it and/or
| modify it under the terms of the GNU General Public License as published by the Free
| Software Foundation, either version 3 of the License, or (at your option) any later
| version.
|
| OpenBLT is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
| without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
| PURPOSE. See the GNU General Public License for more details.
|
| You should have received a copy of the GNU General Public License along with OpenBLT.
| If not, see <http://www.gnu.org/licenses/>.
|
| A special exception to the GPL is included to allow you to distribute a combined work
| that includes OpenBLT without being obliged to provide the source code for any
| proprietary components. The exception text is included at the bottom of the license
| file <license.html>.
|
****************************************************************************************/
MODULE ?cstartup
; Forward declaration of section.
SECTION CSTACK:DATA:NOROOT(3)
PUBLIC __iar_program_start
EXTERN __cmain
EXTERN __vector_table
EXTWEAK __iar_init_core
EXTWEAK __iar_init_vfp
/****************************************************************************************
** NAME: __iar_program_start
** PARAMETER: none
** RETURN VALUE: none
** DESCRIPTION: Reset interrupt service routine. Configures the stack, initializes RAM
** and jumps to function main.
**
****************************************************************************************/
SECTION .text:CODE:REORDER(2)
THUMB
__iar_program_start:
; Initialize the stack pointer
LDR R3, =sfe(CSTACK)
MOV SP, R3
BL __iar_init_core
BL __iar_init_vfp
BL __cmain
REQUIRE __vector_table
END
/*********************************** end of cstart.s ***********************************/